VOL. XCIV, NO. 247
★ WIDE MOAT STOCKS COMPARISON ★
NO ADVICE
Thursday, January 8, 2026
Stock Comparison
Costco Wholesale Corporation vs The Progressive Corporation
Compare moat strength, market structure, and segment coverage to understand how each company defends its edge.
Costco Wholesale Corporation
COST · Nasdaq Global Select Market
Weighted average of segment moat scores, combining moat strength, durability, confidence, market structure, pricing power, and market share.
Full stock profile
Dive deeper into Costco Wholesale Corporation's moat claims, evidence, and risks.
View COST analysisThe Progressive Corporation
PGR · New York Stock Exchange
Weighted average of segment moat scores, combining moat strength, durability, confidence, market structure, pricing power, and market share.
Full stock profile
Dive deeper into The Progressive Corporation's moat claims, evidence, and risks.
View PGR analysisComparison highlights
- Moat score gap: Costco Wholesale Corporation leads (80 / 100 vs 75 / 100 for The Progressive Corporation).
- Segment focus: Costco Wholesale Corporation has 2 segments (98.1% in Warehouse club retail); The Progressive Corporation has 2 segments (85% in Personal Lines).
- Primary market structure: Oligopoly vs Oligopoly. Pricing power: Weak vs Moderate.
- Moat breadth: Costco Wholesale Corporation has 6 moat types across 3 domains; The Progressive Corporation has 5 across 2.
Primary market context
Costco Wholesale Corporation
Warehouse club retail
Membership warehouse club retail (warehouse clubs, ancillary services, and e-commerce)
Global
Households and small businesses
Retailer (membership club)
98.1%
The Progressive Corporation
Personal Lines
U.S. private passenger auto insurance (dominant) plus specialty personal lines and homeowners/renters (small portion)
United States
Individuals/households
Primary insurer (P&C)
85%
Side-by-side metrics
Moat coverage
Shared moat types
Costco Wholesale Corporation strengths
The Progressive Corporation strengths
Segment mix
Costco Wholesale Corporation segments
Full profile >Warehouse club retail
Oligopoly
Membership fees (subscription)
Oligopoly
The Progressive Corporation segments
Full profile >Personal Lines
Oligopoly
Commercial Lines
Competitive
Want the full wide moat stocks list?
Browse the full ranking of wide moat stocks, updated with moat scores and segment context.
View the moat stocks listLooking for expansion-stage stocks?
Proven models entering the expansion stage with unit economics that work.
View expansion-stage stocksCuration & Accuracy
This directory blends AI‑assisted discovery with human curation. Entries are reviewed, edited, and organized with the goal of expanding coverage and sharpening quality over time. Your feedback helps steer improvements (because no single human can capture everything all at once).
Details change. Pricing, features, and availability may be incomplete or out of date. Treat listings as a starting point and verify on the provider’s site before making decisions. If you spot an error or a gap, send a quick note and I’ll adjust.